TY  - JOUR
AU  - B. Fisher
TI  - On contraction mappings
JO  - Colloquium Mathematicum
PY  - 1977
SP  - 229
EP  - 230
VL  - 38
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-38-2-229-230/
DO  - 10.4064/cm-38-2-229-230
LA  - en
ID  - 10_4064_cm_38_2_229_230
ER  -